diff --git a/core/res/res/values/ids.xml b/core/res/res/values/ids.xml
index bccd2b6529acb..29eb0c0365b37 100644
--- a/core/res/res/values/ids.xml
+++ b/core/res/res/values/ids.xml
@@ -62,8 +62,9 @@
   <!-- View id for the action of text editor inside of an extracted text
         {@link InputMethodService#onCreateExtractTextView IME extract view}. -->
   <item type="id" name="inputExtractAction" />
-  <!-- View id for the accessories of text editor inside of an extracted text
-        {@link InputMethodService#onCreateExtractTextView IME extract view}. -->
+  <!-- View id for the accessories (such as the extracted input action button) of text editor
+       inside of an extracted text {@link InputMethodService#onCreateExtractTextView IME extract
+       view}. This layout must contain the {@link #inputExtractAction}. -->
   <item type="id" name="inputExtractAccessories" />
   <item type="id" name="selectAll" />
   <item type="id" name="cut" />